Browsing by Author "Yogarathnam, N."
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Item Fertilizer use among perennial crops(Rubber Research Institute of Sri Lanka. Agalawaththa, 1982) Peries, O.S.; Yogarathnam, N.Item Interplanting of rubber with tea:a technology appropriate for rubber small holdings(Rubber Research Institute. Agalawatta, 1998) Yogarathnam, N.; Iqbal, S.M.M.